Ryzen 9 7940HS vs Sempron 2650

Primary details

Comparing Sempron 2650 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	301
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	no data	51.73
Architecture codename	Kabini (2013−2014)	Phoenix-HS (Zen 4) (2023)
Release date	9 April 2014 (10 years ago)	January 2023 (1 year ago)

Detailed specifications

Sempron 2650 and Ryzen 9 7940HS basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	no data	4 GHz
Boost clock speed	1.45 GHz	5.2 GHz
L1 cache	128 KB	64K (per core)
L2 cache	1024 KB	1 MB (per core)
L3 cache	no data	16 MB (shared)
Chip lithography	28 nm	4 nm
Die size	107 mm2	178 mm2
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	90 °C	no data
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on Sempron 2650 and Ryzen 9 7940HS compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	AM1	FP8
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Sempron 2650 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	FMA4	+
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Sempron 2650 and Ryzen 9 7940HS are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Sempron 2650 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333	DDR5
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon R3 Graphics	AMD Radeon 780M
Number of pipelines	128	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of Sempron 2650 and Ryzen 9 7940HS integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by Sempron 2650 and Ryzen 9 7940HS integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by Sempron 2650 and Ryzen 9 7940HS.

PCIe version	2.0	4.0
PCI Express lanes	4	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	2	8
Threads	2	16
Chip lithography	28 nm	4 nm
Power consumption (TDP)	25 Watt	35 Watt

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